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Finding the Fourth Proportional to 803,663.60, 1,206,877.80 and 568,655.60

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Solution

The fourth proportional to 803,663.60, 1,206,877.80 and 568,655.60 is: 853,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,663.60 : 1,206,877.80 = 568,655.60 : x
  2. Step 2: Convert to fraction form
    803,663.60/1,206,877.80 = 568,655.60/x
  3. Step 3: Cross multiply
    803,663.60x = 1,206,877.80 × 568,655.60
  4. Step 4: Simplify right side
    803,663.60x = 686,297,819,485.68
  5. Step 5: Solve for x
    x = 686,297,819,485.68/803,663.60
  6. Step 6: Final answer
    x = 853,961.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.